Organic plant soil is typically made up of minerals ... thick body with white stripes and a dark brown head, larvae of the click beetle Harmful Wireworms are often found deep in soil, as they ...

(a) Soil in central Iowa with dark, organic-matter-rich topsoil. Iowa's average topsoil depth decreased from 35-45 cm to 15-20 cm during the 20th century due to farming. (b) Severe gully erosion ...

University of Minnesota Extension Many home gardeners are getting ready to plant potatoes this spring and are searching for some way to prevent potato scab. They may have dug their potatoes last ...

Many nutrients, such as calcium and magnesium, may be supplied to plants solely from reserves held in the soil ... Dark colored loams and Sidell 15-25 silt loams Gennesee Dark colored silty clay ...